Greg, Thank you! I also came the same conclusion after reading the SAM3X and SAM4 manuals just now.
My next project needs USB over Ethernet on the SAMA5D27... I was just trying to get a board that's well supported like the Arduino Due working. But since UDP is not implemented for it, it looks like it will (might?) be faster to get the SAMA5D36 working, and then try to get the D27 working. Ok, I'll try debugging the SAMA5D36-Xplained configuration. cheers adam On Mon, Dec 23, 2019 at 4:41 PM Gregory Nutt <spudan...@gmail.com> wrote: > I don't think that the SAM3X8E supports the UDP module. Looks like it > supports UDPHS which would be different: > https://www.microchip.com/wwwproducts/en/ATsam3x8e#additional-features > See also arch/arm/include/sam34/chip.h. > > There is a hardware/sam_udphs.h header file, but I don't see any udphs > driver. > > I would say that the driver has never been implemented. > > There is a sama5/sam_udphs.c driver. Perhaps that could be backported > if the IP is the same? > > Greg > > On 12/23/2019 6:08 PM, Adam Feuer wrote: > > Thanks Greg. > > > > When I manually edit the .config file and add this: > > > > CONFIG_SAM34_UDP=y > > > > Then try to make again, I get a bunch of errors for missing defines > > (PMC_UDP, SAM_IRQ_UDP, etc.). These seem to be defined in > > arch/arm/src/sam34/hardware/sam_pmc.h, but only for > > CONFIG_ARCH_CHIP_SAM4S or CONFIG_ARCH_CHIP_SAM4E, not for SAM3 like > > the Arduino Due: > > > > > https://github.com/apache/incubator-nuttx/blob/master/arch/arm/src/sam34/hardware/sam_pmc.h#L212 > > > > I tried to follow these undefined identifiers and made some changes > > that got nuttx to compile. But when I flash nuttx.bin to the board > > using bossac, I get a blinking RX light, which indicates a panic. > > > > Here's the changes I made: > > > > > https://github.com/apache/incubator-nuttx/compare/master...adamfeuer:feature/arduino-due-ethernet-over-usb > > > > I guess I need to debug this too. :) Any tips? Did I do something > > wrong with these modifications? > > > > cheers > > adam > > > > > > On Mon, Dec 23, 2019 at 11:43 AM Gregory Nutt <spudan...@gmail.com > > <mailto:spudan...@gmail.com>> wrote: > > > > ..., but I'm down to this last missing function: > > > void up_usbinitialize(void) > > > > Defined here: > > > > $ grep -r up_usbinitialize arch/arm/src/sam34 > > arch/arm/src/sam34/sam_udp.c: * Name: up_usbinitialize > > arch/arm/src/sam34/sam_udp.c:void up_usbinitialize(void) > > arch/arm/src/sam34/sam_udp.c: * in when up_usbinitialize() was > > first > > called. > > > > Sound like a configuration problem: > > > > > > 146 ifeq ($(CONFIG_SAM34_UDP),y) > > 147 CHIP_CSRCS += sam_udp.c > > 148 endif > > > > > > > > -- > > Adam Feuer <a...@starcat.io <mailto:a...@starcat.io>> > -- Adam Feuer <a...@starcat.io>
